{- This file is part of vcs-web-hook-parse.
 -
 - Written in 2015, 2017 by fr33domlover <fr33domlover@riseup.net>.
 -
 - ♡ Copying is an act of love. Please copy, reuse and share.
 -
 - The author(s) have dedicated all copyright and related and neighboring
 - rights to this software to the public domain worldwide. This software is
 - distributed without any warranty.
 -
 - You should have received a copy of the CC0 Public Domain Dedication along
 - with this software. If not, see
 - <http://creativecommons.org/publicdomain/zero/1.0/>.
 -}

module Web.Hook.Util
    ( text
    )
where

import Control.Applicative
import Control.Monad (mzero)
import Data.Aeson
import Data.Aeson.Types (Parser)

import qualified Data.Text as T

text :: Parser T.Text -> T.Text -> Parser T.Text
text parser expected = do
    got <- parser
    if got == expected
        then return got
        else mzero
